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blagie [28]
4 years ago
15

64 Power is equal to 1 upon 256 ki power B then find 3A + 4b = ?​

Mathematics
1 answer:
Korvikt [17]4 years ago
7 0

Step-by-step explanation:

{64}^{A}  =   \frac{1}{256^{B} }  \\  \\  \therefore \:  {2}^{6A}  =  \frac{1}{2^{8B} }  \\  \\ \therefore \:  {2}^{6A}  = 2^{ - 8B}  \\  \\ \therefore \: 6A = - 8B \\  \\  \therefore \: 6A + 8B  = 0 \\  \\  \therefore \: 2(3A + 4B)  =0 \\  \\ \therefore \: 3A + 4B =0

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What is the area of this irregular shape 28in 7in 20in 30in 25in
Alex777 [14]

Answer:

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7 0
3 years ago
Find the area of the polygon. A = __ft squared
Nataliya [291]

Answer:

28.5^2

Step-by-step explanation:

The formula is, b(base)+c(height)= b+c over 2.  b+c/2.

B=19ft in this problem.

C=38ft

Knowing this, we can further simplify.

19+38/2

Now, we add 19 and 38.

(57)

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So, the anwser is 28.5^2

8 0
3 years ago
Which fraction is equal to one third
KIM [24]

Answer:

2/6, 3/9, 4/12 ...

Step-by-step explanation:

We can find equivalent fractions to 1/3 by multiplying the numerator, or top number, and the denominator, or bottom number, by the same factor.

7 0
3 years ago
The top of two poles of height's 20m and 14m are connected by the wire
Hatshy [7]

Answer:

The correct option is;

10 m

Step-by-step explanation:

The parameters given are;

Height of the first pole = 20 m

Height of the second pole = 14 m

The angle the wire connected to their top makes with the horizontal = 30°

The vertical height subtended by the inclined wire, h = The difference in height between the two poles = 20 - 14 = 6 m.

Let the horizontal distance between the two poles = D

Therefore;

The horizontal length of the wire = D

From trigonometric ratios, we have;

tan(30 ^{\circ}) = \dfrac{h}{D} = \dfrac{6}{D}

Which gives;

D = \dfrac{6}{tan(30 ^{\circ}) }  = 10.39 \ m\approx 10 \ m

The correct option is 10 m.

5 0
3 years ago
If 2/3 of a cup of pancake mix makes 6 pancakes. How much will 3 1/3 cups of pancake mix, how many pancake does it make?
sergey [27]
31/3: 2/3= 5
5X6=30
All you have to do is divide 31/3 by 2/3 and it equals 5 then 5X6=30
8 0
3 years ago
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